package com.itchen.mapper;

import com.itchen.pojo.User;
import org.apache.ibatis.annotations.Param;

import java.util.List;


/**
 * @author げっしょく
 * @date 2021/8/30
 */
public interface UserMapper {

    User select(User user);

    List<User> selectAll();

    User selectByUsername(@Param("username")String username);

    int addUser(User user);

}
